From patchwork Thu Jul 19 09:46:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixun Lan X-Patchwork-Id: 10534031 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B60EF601D2 for ; Thu, 19 Jul 2018 09:58:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A164629555 for ; Thu, 19 Jul 2018 09:58:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 954B129566; Thu, 19 Jul 2018 09:58:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 46A4D29555 for ; Thu, 19 Jul 2018 09:58:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PzbeBd4wPQJY8yMLMBWDLkuigkBwh/KrNUb2JA4HUtA=; b=tKNBk4SqovzuJW kTu2FPQToY+Ie0R1cPr0dvqsYcyLE9+mch4Qio8axGfw3DyKZ5E0zhUPZUMzIX/hBP6IUk0r3zjNu VOHMjn4oj0ZNAp0N0Ono7QLZAguNdDphsOgw3v7G/nOQIiRjrOJBFjHsdbb/Y/e3HqfNUAuKLA1dV FaZ3nHaC8CXqiluv6yP3pDzjGcphLMw3EyzGnxpwc0nbYmsow6TQoxwenk9gqVX7gydVsk6zH5czw tRJrVUVHr4sWIimrRfS+lirSgAPee7HzN1S//szLDAKjMVMDALnZUMJQBD0K8+jPWxgCA7BplV5Ws fDqKnGYAptpUBAjXT3Zg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fg5hR-0003IP-Hs; Thu, 19 Jul 2018 09:58:17 +0000 Received: from mail-sh2.amlogic.com ([58.32.228.45]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fg5Wr-0004dl-Kl; Thu, 19 Jul 2018 09:47:26 +0000 Received: from ofmlt.linux-actions.org (10.18.20.235) by mail-sh2.amlogic.com (10.18.11.6) with Microsoft SMTP Server id 15.0.1320.4; Thu, 19 Jul 2018 17:46:07 +0800 From: Yixun Lan To: Boris Brezillon , Subject: [RFC PATCH v2 1/2] dt-bindings: nand: meson: add Amlogic NAND controller driver Date: Thu, 19 Jul 2018 17:46:11 +0800 Message-ID: <20180719094612.5833-2-yixun.lan@amlogic.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180719094612.5833-1-yixun.lan@amlogic.com> References: <20180719094612.5833-1-yixun.lan@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.18.20.235] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180719_024722_312229_12C66FFE X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Neil Armstrong , Martin Blumenstingl , Richard Weinberger , Yixun Lan , linux-kernel@vger.kernel.org, Marek Vasut , devicetree@vger.kernel.org, Liang Yang , Jian Hu , Kevin Hilman , Carlo Caione , linux-amlogic@lists.infradead.org, Brian Norris , David Woodhouse , linux-arm-kernel@lists.infradead.org, Jerome Brunet Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Liang Yang Add Amlogic NAND controller dt-bindings for Meson SoC, Current this driver support GXBB/GXL/AXG platform. Signed-off-by: Liang Yang Signed-off-by: Yixun Lan --- .../bindings/mtd/amlogic,meson-nand.txt | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt new file mode 100644 index 000000000000..31f910dcd27a --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt @@ -0,0 +1,95 @@ +Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs + +This file documents the properties in addition to those available in +the MTD NAND bindings. + +Required properties: +- compatible : contains one of: + - "amlogic,meson-gxl-nfc" + - "amlogic,meson-axg-nfc" +- clocks : + A list of phandle + clock-specifier pairs for the clocks listed + in clock-names. + +- clock-names: Should contain the following: + "core" - NFC module gate clock + "device" - device clock from eMMC sub clock controller + +- pins : Select pins which NFC need. +- nand_pins: Detail NAND pins information. +- amlogic,mmc-syscon : Required for NAND clocks, it's shared with SD/eMMC + controller port C + +Optional children nodes: +Children nodes represent the available nand chips. + +Optional properties: +- amlogic,nand-enable-scrambler: enable the NAND scrambler feature. + - (absent) = scrambler is disabled + - (present) = scrambler is enabled + + +Other properties: +see Documentation/devicetree/bindings/mtd/nand.txt for generic bindings. + +Example demonstrate on AXG SoC: + + sd_emmc_c_clkc: mmc@7000 { + compatible = "amlogic,meson-axg-mmc-clkc", "syscon"; + reg = <0x0 0x7000 0x0 0x800>; + status = "okay"; + }; + + nand: nfc@7800 { + compatible = "amlogic,meson-axg-nfc"; + reg = <0x0 0x7800 0x0 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + status = "disabled"; + + clocks = <&clkc CLKID_SD_EMMC_C>, + <&sd_emmc_c_clkc CLKID_MMC_DIV>; + clock-names = "core", "device"; + amlogic,mmc-syscon = <&sd_emmc_c_clkc>; + + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&nand_pins>; + + nand@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + + nand-on-flash-bbt; + nand-ecc-mode = "hw"; + nand-ecc-strength = <8>; + nand-ecc-step-size = <1024>; + + amlogic,nand-enable-scrambler; + + partition@0 { + label = "boot"; + reg = <0x00000000 0x00200000>; + read-only; + }; + partition@200000 { + label = "env"; + reg = <0x00200000 0x00400000>; + }; + partition@600000 { + label = "system"; + reg = <0x00600000 0x00a00000>; + }; + partition@1000000 { + label = "rootfs"; + reg = <0x01000000 0x03000000>; + }; + partition@4000000 { + label = "media"; + reg = <0x04000000 0x8000000>; + }; + }; + };